commit a2919cab08fff3fad434c574506b5ae23b4db131
Author: Pierre Cheynier <p.cheynier@criteo.com>
Date:   Thu Mar 21 16:15:47 2019 +0000

    BUG/MEDIUM: ssl: ability to set TLS 1.3 ciphers using ssl-default-server-ciphersuites
    
    Any attempt to put TLS 1.3 ciphers on servers failed with output 'unable
    to set TLS 1.3 cipher suites'.
    
    This was due to usage of SSL_CTX_set_cipher_list instead of
    SSL_CTX_set_ciphersuites in the TLS 1.3 block (protected by
    OPENSSL_VERSION_NUMBER >= 0x10101000L & so).
    
    This should be backported to 1.9 and 1.8.
    
    Signed-off-by: Pierre Cheynier <p.cheynier@criteo.com>
    Reported-by: Damien Claisse <d.claisse@criteo.com>
    Cc: Emeric Brun <ebrun@haproxy.com>
    (cherry picked from commit bc34cd1de2ee80de63b5c4d319a501fc0d4ea2f5)
    Signed-off-by: Willy Tarreau <w@1wt.eu>
    (cherry picked from commit 4a8b9e3d5f4e76295c571900771fd1728bec474f)
    Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>

diff --git a/src/ssl_sock.c b/src/ssl_sock.c
index afdb1fce..fbb7cf2b 100644
--- a/src/ssl_sock.c
+++ b/src/ssl_sock.c
@@ -4696,7 +4696,7 @@ int ssl_sock_prepare_srv_ctx(struct server *srv)
 
 #if (OPENSSL_VERSION_NUMBER >= 0x10101000L && !defined OPENSSL_IS_BORINGSSL && !defined LIBRESSL_VERSION_NUMBER)
 	if (srv->ssl_ctx.ciphersuites &&
-		!SSL_CTX_set_cipher_list(srv->ssl_ctx.ctx, srv->ssl_ctx.ciphersuites)) {
+		!SSL_CTX_set_ciphersuites(srv->ssl_ctx.ctx, srv->ssl_ctx.ciphersuites)) {
 		ha_alert("Proxy '%s', server '%s' [%s:%d] : unable to set TLS 1.3 cipher suites to '%s'.\n",
 			 curproxy->id, srv->id,
 			 srv->conf.file, srv->conf.line, srv->ssl_ctx.ciphersuites);